Flow price: --
319d48a92083fd5f7940077814084111922f9cbd0f9f811f54d7d5aea65ae2b7

Transaction

Hash: 319d48a92083fd5f7940077814084111922f9cbd0f9f811f54d7d5aea65ae2b7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 319d48a92083fd5f7940077814084111922f9cbd0f9f811f54d7d5aea65ae2b7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
319d48a92083fd5f7940077814084111922f9cbd0f9f811f54d7d5aea65ae2b7
Status:
ERROR
Block height:
40041831
Block id:
de0cfee74727339652c24ad3070d500b86bb7095fe82bdbec99f0b494c932b4a
Timestamp:
Monday 31 October 2022 at 10:28:47 UTC
()
Proposer:
Authorizers:
Gas used:
48